<!DOCTYPE html>
<html>
<head lang="en">
	<meta charset="UTF-8">
	<title></title>
	<link rel="stylesheet" href="bootstrap.min.css">
</head>
<body>

		<div class="container">
			<!-- code 原样输出标签 -->
			For example <code>&lt;section&gt;</code> as inline;
			<!-- kbd 原样输出用户输入 -->
			我希望现在能键入<kbd>cmd</kbd>命令
			<!-- pre 输出代码块 -->
			<pre>
				hello world;
			</pre>

			<!-- 算术输出 x=y+z -->
			<var>x</var> = <var>y</var>+<var>z</var>

			<!-- 程序输出 -->
			<samp>hi how are you?</samp>

		</div>

</body>
</html>